Home / 36,423.63-50,264.28-20,507.67

Finding the Fourth Proportional to 36,423.63, 50,264.28 and 20,507.67

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Solution

The fourth proportional to 36,423.63, 50,264.28 and 20,507.67 is: 28,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,423.63 : 50,264.28 = 20,507.67 : x
  2. Step 2: Convert to fraction form
    36,423.63/50,264.28 = 20,507.67/x
  3. Step 3: Cross multiply
    36,423.63x = 50,264.28 × 20,507.67
  4. Step 4: Simplify right side
    36,423.63x = 1,030,803,267.03
  5. Step 5: Solve for x
    x = 1,030,803,267.03/36,423.63
  6. Step 6: Final answer
    x = 28,300.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.